Add 16/42 and 3/15
16/42 + 3/15 is 61/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
16/42 = 16 × 5/42 × 5 = 80/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
3/15 = 3 × 14/15 × 14 = 42/210 - Add the two like fractions:
80/210 + 42/210 = 80 + 42/210 = 122/210 - 122/210 simplified gives 61/105
- So, 16/42 + 3/15 = 61/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/42+3/15 16/42+6/15 16/84+3/15 16/42+3/30 48/42+3/15 16/42+9/15 16/42+3/45 80/42+3/15 16/42+3/75 16/42+21/15